21707226

素因数分解:

$2^1\times 3^2\times {\mathrm{811}}^1\times {\mathrm{1487}}^1$

素因数の和:2306

約数の個数: 24

約数和(自身を含む): 47121984

約数和(自身を除く): 25414758

約数列:

[1, 2, 3, 6, 9, 18, 811, 1487, 1622, 2433, 2974, 4461, 4866, 7299, 8922, 13383, 14598, 26766, 1205957, 2411914, 3617871, 7235742, 10853613, 21707226]

約数ペア:

[(1, 21707226), (2, 10853613), (3, 7235742), (6, 3617871), (9, 2411914), (18, 1205957), (811, 26766), (1487, 14598), (1622, 13383), (2433, 8922), (2974, 7299), (4461, 4866)]